25 setxunit
7.5 setborder
90 setangle_repere
-3.3 3.3 setxrange
-5.3 5.3 setyrange
/quadrillagegray 0.4 def
1 setquadrillagexstep
1 setquadrillageystep
quadrillage
1 1 settkstep
.5 .5 setsubtkstep
1 1 setmkstep
subticks
marks
traceaxes
axesarrow
unites
/f {setxvar
#rpn# 2*Sin (x) * Cos (3*x)
} def
/g {setxvar
#rpn# 1/x
} def
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